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diff --git a/algorithm.tex b/algorithm.tex index d52a647..e43d65d 100644 --- a/algorithm.tex +++ b/algorithm.tex @@ -10,7 +10,7 @@ This section covers the main architecture of the HLS tool, and the way in which First of all, the choice of C for the input language of \vericert{} is because it is the most widely supported language for HLS, and most major HLS tools also use it as an input. As a lot of existing code is also written in C for HLS, supporting C as an input language compared to a custom domain-specific language means that \vericert{} is more practical. \JW{Can we mention one or two alternatives that we considered?} \paragraph{Choice of target language} -Next, Verilog~\cite{06_ieee_stand_veril_hardw_descr_languag} is a hardware description language, which can be synthesised into logic gates which can be placed onto either a field-programmable gate array (FPGA) or turned into an application-specific integrated circuit (ASIC). Verilog was chosen as the output language for \vericert{} because it is one of the most popular hardware description languages and there already exist a few formal semantics for it that could be used as a target~\cite{loow19_verif_compil_verif_proces,meredith10_veril}. \JW{Can we mention one or two alternatives that we considered? Bluespec or Chisel or one of Adam Chlipala's languages, perhaps?} +Next, Verilog~\cite{06_ieee_stand_veril_hardw_descr_languag} is a hardware description language, which can be synthesised into logic gates which can be either placed onto a field-programmable gate array (FPGA) or turned into an application-specific integrated circuit (ASIC). Verilog was chosen as the output language for \vericert{} because it is one of the most popular hardware description languages and there already exist a few formal semantics for it that could be used as a target~\cite{loow19_verif_compil_verif_proces,meredith10_veril}. \JW{Can we mention one or two alternatives that we considered? Bluespec or Chisel or one of Adam Chlipala's languages, perhaps?} \paragraph{Choice of implementation language} The framework that was chosen for the frontend was \compcert{}, as it is a mature framework for simulation proofs about intermediate languages, in addition to already providing a validated parser~\cite{jourdan12_valid_lr_parser} from C into the internal representation of Clight. Other frameworks were also considered, such as Vellvm~\cite{zhao12_formal_llvm_inter_repres_verif_progr_trans}, as LLVM IR in particular is often used by HLS tools anyways, however, these would require more work to support a higher level language such as C as input, or even providing a parser for LLVM IR.\@ |